Ayurveda speaks the main cause of diseases is rooted in the impairment of the body's main fire, called Agni, the fire of digestion. Ayurveda views the health of the body as the functioning of a biological fire-governing metabolism. If this essential part is functioning effectively, the whole body will be nourished, full of life and vibrancy. Altered digestive functioning can lead to the production of Ama, a toxic material that initiates and promotes disease processes throughout the body. In the same way, free radicals are also found to be the root cause of many diseases. The majority of free radicals that dAmage biological systems are oxygen-free radicals, and these are more generally known as “Reactive Oxygen Species” (ROS). These are the main by-products formed in the cells of aerobic organisms, and can initiate autocatalytic reactions so that molecules to which they react are themselves converted into free radicals to propagate the chain of dAmage. Here we shall discuss about properties of both Ama and Free Radicals. The present article attempts to correlate the concept of Free radical with the concept of Ama.

Health is never an issue until someone gets sick, it is the reality in current situation. Because of improper diet, lack of exercise, stress, low quality of food grains& global warming overall health status of individuals is poor & they are getting easily prone to communicable diseases. H1N1 influenza, Ebola are the recent examples. They are big challenges & creating a burden over health care system. Ayurveda though an ancient medical science has clearly described such communicable diseases & their cause, mode of transmission, prevention as well as cure. Charaka has quoted Janapadodhwansa, (mass destruction) & its four reasons as Dushitavayu (Air), Jala (Water), Kala (Time), and Desha (Region). Sushruta has already mentioned Aupsargika Rogas (Communicable Diseases) i.e, Kushtha (Skin diseases), Jwara (Fever) etc. & their mode of transmission. Prevention as well as cure of disease is goal of Ayurveda. Through maintainance of Dincharaya, Rutucharya, Sadvritta, person’s physical and mental health is secured. With the help of Panchakarma, Aushadha, & Rasayana these diseases can be cured. In this literary work effort has made to find how Ayurveda can help to face growing challenge of communicable diseases.